'hightemperature hydrocarbons acids'

Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precision-engineered components used to protect boiler and heat exchanger tubes from erosion, scaling, and high-temperature corrosion. These shields are widely applied in industrial systems exposed to thermal cycling, aggressive gases, and particulate flow. Their half-round shape allows for simple and secure installation over straight or curved tube surfaces, extending tube life and reducing maintenance needs. SS 316L U Type Half Round Tube Shield The SS 316L U Type Half Round Tube Shield is specifically designed to offer enhanced protection to U-bend sections in heat exchangers, superheaters, and steam reformers. Fabricated from SS 316L, a low-carbon austenitic stainless steel alloyed with molybdenum, it delivers superior resistance to pitting, crevice corrosion, and intergranular attack in chloride-rich and high-temperature environments. The U-type design allows for seamless coverage of both the inner and outer arcs of tube bends, where thermal and mechanical stresses are most concentrated. • Outer U Type Half Round Tube Shield – Protects the outer bend of the tube against high-velocity gas impact, slag accumulation, and surface oxidation. • Inner U Type Half Round Tube Shield – Shields the inner curve from localized erosion, turbulence-related wear, and thermal fatigue cracking. Ladhani Metal Corporation manufactures and supplies SS 316L U Type Half Round Tube Shields for industries operating in corrosive, welded, or high-heat service conditions where enhanced durability and metallurgical stability are critical. Chemical Composition of SS 316L – Low Carbon Austenitic Stainless Steel • Carbon (C): ≤ 0.03% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 16.0 – 18.0% • Nickel (Ni): 10.0 – 14.0% • Molybdenum (Mo): 2.0 – 3.0% • Iron (Fe): Balance Applications: Specifically suited for high-chloride, welded, and high-temperature systems where corrosion resistance and thermal stability are essential. Uses • Protection of U-bend tube sections in superheaters and reheaters in thermal power plants • Coverage for return bends in chemical heat exchangers and ammonia reformers • Shielding curved tube segments in WHRBs and HRSGs exposed to thermal cycling • Corrosion and wear protection in condensers and evaporators operating with chlorides or acidic gases • Ideal for coastal, offshore, and marine installations involving saline or humid environments Features • Corrosion-resistant low carbon grade – SS 316L’s reduced carbon content ensures resistance to sensitization and intergranular corrosion after welding. • High-performance under heat – Maintains structural integrity and corrosion resistance in elevated temperature applications. • Dual-bend protection – Available in inner and outer U-type configurations to safeguard the entire arc of the U-bend. • Custom-formed profiles – Engineered to precisely fit tube diameter and bend radius for secure and stable installation. • Quick installation – Designed for easy mounting via tack welds, banding, or clamping without requiring tube disassembly. • Tailored dimensions – Manufactured in a range of thicknesses, lengths, and profiles to meet exact project needs. Applications • thermal power plants – Installed on U-bend tubes in superheaters and reheaters to mitigate scale formation and corrosion due to flue gases. Enhances heat exchanger reliability and life span. • petrochemical refineries – Used in steam reformers and exchangers handling chlorides, acids, and hydrocarbons. Ensures long-term corrosion resistance in aggressive environments. • waste heat recovery units – Protects U-shaped tubes from erosion and cracking caused by fluctuating gas velocities and slag deposits. • fertilizer and chemical plants – Shields critical tube bends from acidic or chloride-containing media in reformers and process heaters. • marine and coastal systems – Provides anti-corrosion protection in salt-laden and humid atmospheres for extended tube life. Conclusion The SS 316L U Type Half Round Tube Shield by Ladhani Metal Corporation is a robust and corrosion-resistant solution for protecting U-bend tube sections in heat-intensive and chemically aggressive systems. With its low carbon content and molybdenum enhancement, it ensures excellent resistance to pitting, scaling, and intergranular corrosion. Available in inner and outer U-bend configurations and tailored to match system specifications, these shields offer reliable, long-lasting tube protection in power, chemical, marine, and industrial sectors. For technical consultation, custom orders, or quotations, please contact Ladhani Metal Corporation.

DIN 2633 Inconel flanges PN 16 are precision-engineered weld neck flanges manufactured to the DIN 2633 standard, specifically designed for use in high-temperature and highly corrosive industrial environments. These flanges offer secure, pressure-resistant connections for pipeline systems operating at up to 16 bar (232 psi). Fabricated from premium Inconel alloys such as 600, 625, and 718, they provide excellent resistance to oxidation, thermal stress, and corrosive chemicals, making them ideal for extreme service conditions across various industries. Ladhani Metal Corporation is a trusted global supplier and manufacturer of Inconel flanges, known for its commitment to material integrity, precision engineering, and strict compliance with international quality standards. Each flange is subjected to thorough inspections to meet performance, safety, and durability expectations. Pressure Rating: • PN 16 (16 bar / 232 psi): Suitable for high-performance pipeline systems requiring resistance to thermal cycling, corrosion, and pressure fluctuation. Flange Type: • Weld Neck Flanges Long tapered hub design ensures smooth fluid transitions and reduces mechanical stress at the base, offering strong and vibration-resistant joints. • Flat Face (FF) Flanges Promotes even gasket loading and is compatible with soft or cast-mating components, enhancing sealing efficiency and system longevity. Inconel Grades and Full Composition: Inconel 600 • Nickel (Ni): ≥ 72.0% • Chromium (Cr): 14.0 – 17.0% • Iron (Fe): 6.0 – 10.0% • Carbon (C): ≤ 0.15% • Manganese (Mn): ≤ 1.0% • Silicon (Si): ≤ 0.5% • Sulfur (S): ≤ 0.015% Applications: Ideal for high-temperature furnace components, chemical processing, and food equipment exposed to acidic and alkaline environments. Inconel 625 • Nickel (Ni): 58.0% min • Chromium (Cr): 20.0 – 23.0% • Molybdenum (Mo): 8.0 – 10.0% • Niobium (Nb) + Tantalum (Ta): 3.15 – 4.15% • Iron (Fe): ≤ 5.0% • Carbon (C): ≤ 0.10% • Manganese (Mn): ≤ 0.5% • Silicon (Si): ≤ 0.5% Applications: Suitable for seawater systems, offshore oil and gas equipment, aerospace ducting, and high-strength chemical processing. Inconel 718 • Nickel (Ni): 50.0 – 55.0% • Chromium (Cr): 17.0 – 21.0% • Iron (Fe): Balance • Niobium (Nb) + Tantalum (Ta): 4.75 – 5.5% • Molybdenum (Mo): 2.8 – 3.3% • Titanium (Ti): 0.65 – 1.15% • Aluminum (Al): 0.2 – 0.8% • Carbon (C): ≤ 0.08% Applications: Extensively used in aerospace engines, turbine components, cryogenic storage tanks, and high-strength fasteners due to excellent fatigue, creep, and rupture resistance. Applications of DIN 2633 Inconel Flanges PN 16: • Petrochemical and Refining Industries Withstands exposure to high-temperature hydrocarbons, acids, and corrosive gases. • Marine and Offshore Installations Corrosion-resistant in saltwater and high-pressure environments, ideal for subsea and topside systems. • Aerospace and Power Generation Used in turbine and exhaust systems where strength retention at elevated temperatures is critical. • Chemical Processing Plants Stable under acidic, oxidizing, and reducing agents in continuous and batch processing systems. • Heat Exchangers and Reactors Reliable performance in thermal cycling and aggressive fluid handling applications. Key Features: • Designed in accordance with DIN 2633 specifications • Rated PN 16 for secure medium-pressure operation • Weld neck design improves alignment and minimizes mechanical stress • Available in Inconel grades 600, 625, and 718 • Exceptional resistance to high-temperature oxidation and corrosion • High tensile strength and fatigue resistance under mechanical loads • Tailored dimensions, surface finishes, and specifications available upon request Conclusion: DIN 2633 Inconel Flanges PN 16 from Ladhani Metal Corporation are engineered to meet the toughest demands of modern industry. Offering excellent resistance to high-temperature and corrosive environments, these flanges made from Inconel 600, 625, and 718 are ideal for critical applications across aerospace, petrochemical, marine, and power generation sectors. For detailed product options, technical support, or a customized quote, contact Ladhani Metal Corporation today.

DIN 2627 Duplex Steel flanges PN 400 are high-integrity blind flanges engineered for ultra-high-pressure systems where enhanced corrosion resistance, mechanical strength, and stress corrosion cracking resistance are crucial. These flanges are manufactured in compliance with the DIN 2627 standard and are used to seal the ends of piping systems operating under extreme conditions involving high pressure, temperature fluctuations, and aggressive media such as chlorides or acidic compounds. The PN 400 rating (400 bar / 5800 psi) ensures these flanges are suitable for the most demanding environments. Made from Duplex and Super Duplex stainless steels—such as Duplex 2205 (UNS S31803/S32205) and Super Duplex 2507 (UNS S32750)—they offer a unique combination of austenitic and ferritic microstructures, providing exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Pressure Rating: • PN 400 (400 bar / 5800 psi): Designed for use in high-pressure systems where superior strength and corrosion resistance are required. Flange Type: • Blind Flanges Flat, solid flanges without a bore, used to seal off pipeline ends or nozzles for isolation, pressure testing, or future expansion. • Flat Face (FF) Flanges Feature a flat sealing surface suitable for use with full-face gaskets and flat-faced mating components to ensure uniform sealing under high-pressure conditions. Duplex Steel Grades and Composition: Duplex 2205 (UNS S31803 / S32205) • Chromium (Cr): 21 – 23% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.08 – 0.2% • Iron (Fe): Balance Applications: High strength and excellent resistance to chloride-induced stress corrosion and pitting. Commonly used in chemical tanks, pipelines, and pressure vessels. Applications of DIN 2627 Duplex Steel Flanges PN 400: • Offshore and Subsea Oil & Gas Installations Withstand high pressure, chloride-rich environments, and dynamic loading in risers, manifolds, and subsea pipelines. • Desalination Plants and Seawater Systems Exceptional resistance to chloride-induced corrosion makes them ideal for seawater intake and brine discharge lines. • Chemical and Petrochemical Plants Used in corrosive process lines involving acids, solvents, and high-temperature hydrocarbons. • Pulp and Paper Industry Ideal for chemical recovery systems and chlorine dioxide bleaching where both corrosion and strength are essential. • Heat Exchangers and Pressure Vessels High strength and thermal fatigue resistance under cyclic temperature and pressure changes. • Power Generation and Nuclear Systems Effective in high-pressure steam and cooling systems where corrosion resistance and mechanical integrity are mandatory. Key Features: • Compliant with DIN 2627 specifications • PN 400 pressure rating for ultra-high-pressure applications • Blind flange configuration ensures secure system isolation • Flat face design supports full-face gasket usage for optimal sealing • Available in Duplex 2205 and Super Duplex 2507 • Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking • High mechanical strength with good weldability and fatigue resistance • Used across offshore, petrochemical, desalination, and energy sectors • Custom dimensions, materials, and finishes available upon request Conclusion: DIN 2627 Duplex Steel Flanges PN 400 from Ladhani Metal Corporation deliver unmatched reliability and performance in the harshest operating conditions. Whether used in high-pressure offshore pipelines or corrosive chemical systems, these flanges offer long-term sealing, structural integrity, and corrosion resistance. Reach out to Ladhani Metal Corporation for technical assistance, material selection, or customized Duplex flange solutions tailored to your operational demands.

DIN 2545 Inconel flanges are engineered for superior strength, excellent resistance to high temperatures, and remarkable corrosion resistance in extreme environments. Ladhani Metal Corporation provides these high-quality flanges made from Inconel alloys, known for their ability to endure elevated temperatures, oxidation, and corrosive conditions. These flanges are ideal for industries where performance under high-temperature stress and resistance to harsh environments are essential, such as aerospace, chemical processing, power generation, and marine. Types of DIN 2545 Inconel Flanges: Flat Face Flanges (FF) – These flanges have a flat surface that facilitates uniform distribution of the sealing force, making them ideal for low-pressure systems or when a secure seal is required. Raised Face Flanges (RF) – Raised face flanges feature a raised area around the bolt holes, providing enhanced sealing pressure, making them suitable for high-pressure environments. Ring-Type Joint (RTJ) Flanges – Designed with a groove for a metal sealing ring, these flanges are ideal for applications requiring resistance to high pressure and high temperatures. Grades and Chemical Composition: Inconel 600 (UNS N06600) Chemical Composition: Ni: 72%, Cr: 14-17%, Fe: balance, Mn: 1%, Si: 0.5%, C: 0.15% Inconel 600 is known for its excellent resistance to oxidation and corrosion at elevated temperatures. It is widely used in applications like furnace components, chemical processing, and nuclear reactors, offering high strength and good workability. Inconel 625 (UNS N06625) Chemical Composition: Ni: 58%, Cr: 20-23%, Mo: 8-10%, Fe: 5%, Nb: 3.15-4.15%, Ti: 0.4-1% Inconel 625 is a nickel-based alloy that offers superior resistance to high-temperature oxidation and corrosion. It provides exceptional resistance to pitting and crevice corrosion, making it ideal for applications in aerospace, marine, and chemical industries, where high temperatures and corrosive environments are common. Inconel 718 (UNS N07718) Chemical Composition: Ni: 50-55%, Cr: 17-21%, Fe: 0-5%, Mo: 2.8-3.3%, Nb+Ta: 4.75-5.5%, Ti: 0.65-1.15%, Al: 0.2-0.8% Inconel 718 is a high-strength, corrosion-resistant alloy widely used in high-temperature applications. It is designed for use in extreme conditions, offering excellent resistance to oxidation, sulfidation, and high-temperature environments. PN 40 Pressure Rating: The "PN" rating indicates the flange's pressure capacity. PN 40 refers to flanges that are designed to withstand pressures up to 40 bar, making them suitable for high-pressure systems where secure, leak-free connections are essential. Applications: Aerospace Industry: Jet Engines and Turbomachinery: Inconel flanges are commonly used in aerospace applications, including jet engines and turbine systems, where components are exposed to extremely high temperatures and pressures. They provide excellent resistance to heat and corrosion in high-stress environments. Exhaust Systems: Inconel's ability to withstand high temperatures makes it ideal for use in exhaust systems of aircraft engines. 2. Power Generation Industry: Gas Turbines: Inconel flanges are used in gas turbines in power plants, particularly in components that operate at high temperatures, such as turbine blades, combustors, and other critical parts. Nuclear Power Plants: Inconel is used in the construction of components for nuclear reactors, where heat and radiation resistance are crucial. It is used in piping, valves, and other systems exposed to high-temperature nuclear environments. 3. Chemical Processing and Petrochemical Industries: High-Temperature Reactors: Inconel flanges are used in reactors, heat exchangers, and other equipment in the chemical industry that handle aggressive, high-temperature chemical reactions, including those with sulfuric acid, chlorine, and other corrosive substances. Petrochemical Refineries: Inconel is used in systems where high temperatures and reactive chemicals are present, offering superior performance in handling corrosive materials such as acids and hydrocarbons. 4. Oil and Gas Industry: Offshore Platforms: Inconel flanges are widely used in offshore oil and gas platforms, particularly in subsea pipelines, risers, and pressure vessels, where high resistance to both high pressure and corrosion (especially from seawater) is necessary. Wellhead Equipment: Inconel flanges are also used in downhole equipment and wellhead connections that need to resist high-pressure environments and exposure to extreme temperatures. Ladhani Metal Corporation ensures that each Inconel flange is produced to the highest standards of quality and precision, adhering to international specifications. Every flange undergoes thorough testing to meet the required durability and performance standards, providing reliable solutions for critical applications in the most challenging environments. #din2545 #din2545flanges #din2545inconelflanges #flanges #flangessupplier

Product Name: Titanium racks for aluminum anodizing Material: Gr1, Gr2 Application: Electroplating, anodizing etc. Size: Customized Surface: Polished Type : Titanium racks / Titanium Jigs Dimenstion and shape : Customized, as customer's drawings Finishing : Polished Material : Pure Titanium(gr1 gr2) Condition : New Application : Electroplating, anodizing etc Color : Sliver.Grey Features : Anti-corrosion, good elasticity, smooth surface, dustproof, strong structure, good quality, fine surface We provide various titanium plating rack jigs. These ranges of jigs are available in different sizes to maximize customer satisfaction. Also, these jigs are provided at very affordable prices. Our technique can adapt jigs to the most suitable parts and materials, so that the product has higher durability and strength. Our production system reduces the entrainment of impurities and liquids between tanks and improves the passage of current, as well as its uniform distribution throughout the whole rack. The continuous availability of raw materials, laser cutting machines, folding and automatic welding machines makes our products the most competitive in the market and able to complete tasks within very tight deadlines. Chemical composition (Wt%) ASTM No. Fe max O max N max C max H max Pd Al Bal Grade 1 0.2 0.18 0.03 0.1 0.015 - - Ti Grade 2 0.3 0.25 0.03 0.1 0.015 - - Ti Physical Properties (Min) ASTM Grade Alloy Composition Tensile Strength Yield Strength Elongation min % ksi Mpa ksi Mpa Grade 1 Unalloyed Ti ("Pure") 35A -CP1 35 240 25 170 30 Grade 2 Unalloyed Ti ("Pure") 50A -CP2 58 400 40 275 25

Product name:Titanium Hex Bolts And Nuts Standard: DIN127 Material: Gr1 Gr2 Gr5 Gr7 Gr12 Size: M2-M52 Surface: Polished Technique: CNC Machined, Forged Titanium is highly stable in various concentrations of nitric acid and chromic acid, and it is also very resistant to corrosion in alkaline solutions and most organic acids and compounds.The bolts made of GR2 pure titanium are corrosion resistant and light in weight, which is suitable for application in chemical industry.Titanium hex bolts are produced in strictly accordance with DIN933 standard, and the smallest spot specifications from M3 are available in stock. Item Name DIN933 Titanium hex head bolts and nuts Material Pure Titanium Grade Gr1 Gr2 Gr5 Gr7 Gr12 Standard DIN933 DIN 934 Surface Treatment Forged or CNC machined Color Ti natural Applications Chemical Industry Certificate ISO 9001:2015, EN 10204/3.1 Features 1. Not easy to rust; 2. Resistance to acid and alkali corrosion; 3. Light weight; 4. Has a long service life, widely used in aerospace, electroplating, chemical industry, machinery, etc. Gr2 Titanium Bolts Nuts Hex Type M6 M8 M10 High Stability Anti Alkali Corrosion 0 Physical properties of different grade titanium bolts: Tensile Strength(min) Yeild Strength(min) Elongation(%) ksi MPa ksi MPa Grade 1 35 240 20 138 24 Grade2 50 345 40 275 20 Grade 5 130 895 120 828 10 Grade 7 50 345 40 275 20 Grade 12 70 483 50 345 18

Product Name: Titanium Gr 5 flanges Standard: ASME B16.5 Material: Gr5 Unit Price: $25usd/pc-$85usd/pc Sealing Surface: RF, FF, TG, RJ etc. Size: NPS 1/2 - NPS 24(DN 10 - 2000) Pressure: 150#-2500# Titanium Gr 5 Flanges Product name: Titanium flange,titanium wn flange,titanium blind flange, titanium so flange, titanium alloy flange, titanium flange in stock,ANSI B16.5 titanium flange Material: Gr5 Standard: ANSI B16.5, ASME B16.5, EN1092-1, JIS B2220, DIN2627-2628 Size: 1/2"~ 30"NB, NPS 1/2 - NPS 24 (DN 10 - 2000) . Pressure Clase: PN0.25~32Mpa/ (DIN) PN6,PN10,PN16,PN25 though PN250/ 150LB, 250LB ,300LB, 400 LB,500LB, 600 LB,900LB, 1500LB,2500LB. Sealing Surface: RF, FF, TG, RJ etc. Technique: Forged and CNC Machined Inspection: UT% , PT% Certificate: ISO9001, TUV etc. Chemical composition (Wt%) Grade Ti C Fe H N O Al V Ti Grade5 90 min – 0.25 max – – 0.2 max 6 min 4 min Physical Properties (Min) Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation Titanium Gr. 5 4.43 g/cm3 1632 °C (2970 °F) Psi – 138000 , MPa – 950 Psi – 128000 , MPa – 880 14 %

Product name: Titanium pipe coil/ titanium coil tube Grade: Gr1, Gr2,Gr3 ,Gr7,Gr9,Gr12 Standard: ASTM B338/ASME B338 Dimention: OD 3-88.9mm*WT0.5-5mm*L Shape: Coiled Tubes, "U" Shape,Or as customer’s drawing Titanium pipes and plates are rapidly gaining popularity in the industry due to their exceptional advantages. Firstly, titanium pipes and plates possess superior strength and durability, making them suitable for use in numerous projects where high-performance abilities are necessary. Additionally, these materials are lightweight, which makes them easy to handle and transport, reducing labor costs considerably. Moreover, titanium pipes and plates exhibit excellent corrosion resistance properties, even in the most corrosive environments. They are suitable for use in seawater applications, chemical processing plants, and other harsh conditions. With minimal maintenance, titanium pipes and plates can last for many years, saving the industry significant costs on replacement and repair. Finally, titanium pipes and plates have high-temperature resistance abilities, which make them ideal for various high-temperature applications, including exhaust systems, heat exchangers, and furnace components. Their high melting point and thermal stability make them a perfect choice for extreme temperatures. In conclusion, titanium pipes and plates offer a range of exceptional benefits such as strength, durability, lightweight, corrosion resistance, and high-temperature resistance, which make them the preferred choice for numerous industrial applications. Product name.:Titanium coil pipe,titanium coil tube,titanium tube coil,titanium coil tubing Type:Seamless, welded Technique: Cold Drawn Material: Titanium Gr1, Gr2,Gr3 ,Gr7,Gr9,Gr12 Standard: ASTM B338/ASME B338 Surface Treatment:Polish Dimention: OD 3-88.9mm*WT0.5-5mm*L Shape and dimension: As per the drawing ;as Per The Clients Usage:Pipeline Transport Section Shape:Round Origin:China Following is the material grade of Titanium Coiled Tubes that we could do: Ti CP - Grade 1 R50250 3.7025 Ti CP - Grade 2 R50400 3.7035 Ti CP - Grade 3 Ti-0.7Pd Grade 7 Ti 3Al2.5V Grade 9 R56320 3.7194 Ti 0.3Mo 0.8Ni Grade 12 Chemical composition N C H Fe O Al V Pd Mo Ni Ti Grade 1 0.03 0.08 0.015 0.20 0.18 / / / / / Bal Grade 2 0.03 0.08 0.015 0.30 0.25 Grade 3 0.05 0.08 0.015 0.30 0.35 Grade 7 0.03 0.08 0.015 0.30 0.25 / / 0.12-0.25 / / Bal Grade 9 0.05 0.08 0.015 0.25 0.12 2.0-3.5 1.5-3.0 Grade 12 0.03 0.08 0.015 0.25 0.15 / / / 0.2-0.4 0.6-0.9 Bal

Product name:Titanium Hex Bolts And Nuts Standard: DIN127 Material: Gr1 Gr2 Gr5 Gr7 Gr12 Size: M2-M52 Surface: Polished Technique: CNC Machined, Forged Titanium is highly stable in various concentrations of nitric acid and chromic acid, and it is also very resistant to corrosion in alkaline solutions and most organic acids and compounds.The bolts made of GR2 pure titanium are corrosion resistant and light in weight, which is suitable for application in chemical industry.Titanium hex bolts are produced in strictly accordance with DIN933 standard, and the smallest spot specifications from M3 are available in stock. Item Name DIN933 Titanium hex head bolts and nuts Material Pure Titanium Grade Gr1 Gr2 Gr5 Gr7 Gr12 Standard DIN933 DIN 934 Surface Treatment Forged or CNC machined Color Ti natural Applications Chemical Industry Certificate ISO 9001:2015, EN 10204/3.1 Features 1. Not easy to rust; 2. Resistance to acid and alkali corrosion; 3. Light weight; 4. Has a long service life, widely used in aerospace, electroplating, chemical industry, machinery, etc. Gr2 Titanium Bolts Nuts Hex Type M6 M8 M10 High Stability Anti Alkali Corrosion 0 Physical properties of different grade titanium bolts: Tensile Strength(min) Yeild Strength(min) Elongation(%) ksi MPa ksi MPa Grade 1 35 240 20 138 24 Grade2 50 345 40 275 20 Grade 5 130 895 120 828 10 Grade 7 50 345 40 275 20 Grade 12 70 483 50 345 18